你的最不满意的顾客是你最大的学习源。
Your most unhappy customers are your greatest source of learning.
惊奇是智慧的开始。
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
Words are like shadows, and shadows are like words: they say nothing, they only repeat what we want to hear.
我们不应该教授伟大的书籍，而应该教授对阅读的热爱。